petroleum n．石油
例句：Any new source of energy will be welcome, as there is a shortage of petroleum.
由于石油短缺，任何一種新能源都會受歡迎。

gaseous adj. 氣體的，氣態的
例句：Water is the same substance whether in solid, liquid or gaseous state.
不管水處于固體、液體或氣體狀態，它都是同一種物質。

gasp v．喘息，氣喘
例句：She gasped with surprise at the unexpected news.
聽到意外的消息，她驚訝地吸了一口氣。

petrol n．汽油
例句：The police faced a mob throwing bricks and petrol bombs.
警察面對一群投擲磚塊和汽油彈的暴徒。

patrol v．出巡，巡邏 n．巡邏
例句：Please stay where you are, I will have a patrol car there in two minutes.
請您呆在原地，兩分鐘之內我派巡邏車過來。

gasoline n．汽油
例句：Americans used to like big cars, and gasoline used to be very cheap.
過去美國人喜歡大型轎車，那時汽油很便宜。

ignite v．點火，點燃，教起
例句：Her speech ignites the audience's cheer.
她的講話激起了聽眾的喝彩。